analgesic vs acetanilid

analgesic and acetanilid both are nouns.

Word	Noun	Adjective	Verb	Adverb
analgesic	Yes	Yes	No	No
acetanilid	Yes	No	No	No

As nouns, acetanilid is a hyponym of analgesic; that is, acetanilid is a word with a more specific, narrower meaning than analgesic:

analgesic: a medicine used to relieve pain
acetanilid: a solid odourless chemical of leaf or flake-like appearance; used in rubber accelerator, dye, and camphor synthesis; metabolised to paracetamol (acetaminophen)

analgesic (noun)	acetanilid (noun)
a medicine used to relieve pain	a solid odourless chemical of leaf or flake-like appearance; used in rubber accelerator, dye, and camphor synthesis; metabolised to paracetamol (acetaminophen)

analgesic (adjective)	acetanilid (adjective)
capable of relieving pain